/* Pi-hole: A black hole for Internet advertisements
*  (c) 2019 Pi-hole, LLC (https://pi-hole.net)
*  Network-wide ad blocking via your own hardware.
*
*  This file is copyright under the latest version of the EUPL.
*  Please see LICENSE file for your rights under this license.  */

// This code has been taken from
// https://datatables.net/plug-ins/sorting/ip-address
jQuery.extend( jQuery.fn.dataTableExt.oSort,
{
    "ip-address-pre": function ( a )
    {
        if (!a) { return 0 }
        var i, item;
        var m = a.split("."),
            n = a.split(":"),
            x = "",
            xa = "";
        if (m.length == 4)
        {
            // IPV4
            for(i = 0; i < m.length; i++)
            {
                item = m[i];

                if(item.length == 1)
                {
                    x += "00" + item;
                }
                else if(item.length == 2)
                {
                    x += "0" + item;
                }
                else
                {
                    x += item;
                }
            }
        }
        else if (n.length > 0)
        {
            // IPV6
            var count = 0;
            for(i = 0; i < n.length; i++)
            {
                item = n[i];

                if (i > 0)
                {
                    xa += ":";
                }

                if(item.length === 0)
                {
                    count += 0;
                }
                else if(item.length == 1)
                {
                    xa += "000" + item;
                    count += 4;
                }
                else if(item.length == 2)
                {
                    xa += "00" + item;
                    count += 4;
                }
                else if(item.length == 3)
                {
                    xa += "0" + item;
                    count += 4;
                }
                else
                {
                    xa += item;
                    count += 4;
                }
            }

            // Padding the ::
            n = xa.split(":");
            var paddDone = 0;

            for (i = 0; i < n.length; i++)
            {
                item = n[i];
                if (item.length === 0 && paddDone === 0)
                {
                    for(var padding = 0 ; padding < (32-count) ; padding++)
                    {
                        x += "0";
                        paddDone = 1;
                    }
                }
                else
                {
                    x += item;
                }
            }
        }
        return x;
    },

    "ip-address-asc": function ( a, b )
    {
        return ((a < b) ? -1 : ((a > b) ? 1 : 0));
    },

    "ip-address-desc": function ( a, b )
    {
        return ((a < b) ? 1 : ((a > b) ? -1 : 0));
    }
});
